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I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.

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Every once in a while I come across a particularly good idea: Where someone has done something particularly clever to solve a problem. Here's one very recent example: On the iPhone (and iPod touches) you can only display icons. They can be augmented with a numeric counter, but that's all. (The idea is the app shows you the number of unread emails, for example.) But here's the idea, in a nutshell:... [More]